X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/bd9d212b13d6ba9678bd55048bd8f5b55fa37e72..b1a8161341d471456977275881c29c01136fb0f8:/data/glr.c

diff --git a/data/glr.c b/data/glr.c
index 9ac721ba..0cd87cf2 100644
--- a/data/glr.c
+++ b/data/glr.c
@@ -1,7 +1,8 @@
-m4_divert(-1)                                                       -*- C -*-
+                                                                    -*- C -*-
 
 # GLR skeleton for Bison
-# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation,
+# Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -21,6 +22,9 @@ m4_divert(-1)                                                       -*- C -*-
 
 m4_include(b4_pkgdatadir/[c.m4])
 
+b4_push_if([
+b4_complain([[non-deterministic push parsers are not yet supported]])])
+
 ## ---------------- ##
 ## Default values.  ##
 ## ---------------- ##
@@ -141,8 +145,8 @@ m4_define([b4_rhs_location],
 
 # We do want M4 expansion after # for CPP macros.
 m4_changecom()
-m4_divert(0)dnl
-@output b4_parser_file_name
+m4_divert_push(0)dnl
+@output(b4_parser_file_name@)
 b4_copyright([Skeleton implementation for Bison GLR parsers in C],
   [2002, 2003, 2004, 2005, 2006])
 [
@@ -150,6 +154,7 @@ b4_copyright([Skeleton implementation for Bison GLR parsers in C],
 
 ]b4_identification
 
+b4_percent_code_get([[top]])[]dnl
 m4_if(b4_prefix, [yy], [],
 [/* Substitute the variable and function names.  */
 #define yyparse b4_prefix[]parse
@@ -169,17 +174,16 @@ dnl # ----------------------
 dnl # Declaration that might either go into the header (if --defines)
 dnl # or open coded in the parser body.
 m4_define([b4_shared_declarations],
-[m4_ifdef([b4_requires],
-[[/* Copy the %requires blocks.  */
-]b4_user_requires])[]dnl
+[b4_percent_code_get([[requires]])[]dnl
 
 b4_token_enums(b4_tokens)
 
 [#ifndef YYSTYPE
 ]m4_ifdef([b4_stype],
 [[typedef union ]b4_union_name[
+{
 ]b4_user_stype[
-	YYSTYPE;
+} YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1]],
 [m4_if(b4_tag_seen_flag, 0,
 [[typedef int YYSTYPE;
@@ -202,9 +206,7 @@ typedef struct YYLTYPE
 # define YYLTYPE_IS_TRIVIAL 1
 #endif
 
-]m4_ifdef([b4_provides],
-[[/* Copy the %provides blocks.  */
-]b4_user_provides])[]dnl
+]b4_percent_code_get([[provides]])[]dnl
 ])
 
 b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
@@ -236,9 +238,10 @@ b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
 static YYSTYPE yyval_default;
 
 /* Copy the second part of user declarations.  */
-]b4_user_post_prologue[
+]b4_user_post_prologue
+b4_percent_code_get[]dnl
 
-#include <stdio.h>
+[#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -1439,12 +1442,12 @@ yy_reduce_print (yyGLRStack* yystackp, size_t yyk, yyRuleNum yyrule,
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
-      fprintf (stderr, "   $%d = ", yyi + 1);
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
 		       &]b4_rhs_value(yynrhs, yyi + 1)[
 		       ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
 		       b4_user_args[);
-      fprintf (stderr, "\n");
+      YYFPRINTF (stderr, "\n");
     }
 }
 #endif
@@ -2629,15 +2632,17 @@ dnl glr.cc produces its own header.
 dnl
 m4_if(b4_skeleton, ["glr.c"],
 [b4_defines_if(
-[@output b4_spec_defines_file
+[@output(b4_spec_defines_file@)
 b4_copyright([Skeleton interface for Bison GLR parsers in C],
   [2002, 2003, 2004, 2005, 2006])
 
 b4_shared_declarations
 
-extern YYSTYPE b4_prefix[]lval;
+b4_pure_if([],
+[[extern YYSTYPE b4_prefix][lval;]])
 
 b4_locations_if([b4_pure_if([],
 [extern YYLTYPE b4_prefix[]lloc;])
 ])
 ])])
+m4_divert_pop(0)